diff --git a/ADOPTERS.md b/ADOPTERS.md
index 98fde644053..bc43f82fde4 100644
--- a/ADOPTERS.md
+++ b/ADOPTERS.md
@@ -2,6 +2,7 @@
 
 - [Yahoo](https://www.yahoo.com)
 - [LY Corporation](https://www.lycorp.co.jp/en/)
+- [Vespa.ai](https://vespa.ai/)
 
 If your company is using Athenz and would like to be included on this list,
 please [submit a pull request](https://github.com/AthenZ/athenz/edit/master/ADOPTERS.md).